Pith Number

pith:XUWBVVE3

pith:2014:XUWBVVE3N5OAGMIZGBTKQOATPV

not attested not anchored not stored refs pending

Effect of dark energy sound speed and equation of state on CDM power spectrum

Rizwan ul Haq Ansari, Sanil Unnikrishnan

arxiv:1407.4079 v1 · 2014-07-15 · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUWBVVE3N5OAGMIZGBTKQOATPV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:47:31.974425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd2c1ad49b6f5c0331193066a838137d4a3dcbe725583340bb6b7a68ec23396c

Aliases

arxiv: 1407.4079 · arxiv_version: 1407.4079v1 · doi: 10.48550/arxiv.1407.4079 · pith_short_12: XUWBVVE3N5OA · pith_short_16: XUWBVVE3N5OAGMIZ · pith_short_8: XUWBVVE3

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XUWBVVE3N5OAGMIZGBTKQOATPV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bd2c1ad49b6f5c0331193066a838137d4a3dcbe725583340bb6b7a68ec23396c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42bb8a4c1f9dd668dd835882be19463a503e5819378fc121e87feb222682c4ad",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-07-15T18:09:15Z",
    "title_canon_sha256": "ef8f5fcc3f6546a357dc1347e641498c1fc25737768025ddc7fc961396a9c24a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4079",
    "kind": "arxiv",
    "version": 1
  }
}